EP2174672A1 - Behälter zum Sammeln und Transportieren von Spezialmaterialien und Verfahren zur Verarbeitung solcher Materialien - Google Patents

Behälter zum Sammeln und Transportieren von Spezialmaterialien und Verfahren zur Verarbeitung solcher Materialien Download PDF

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Publication number
EP2174672A1
EP2174672A1 EP09171576A EP09171576A EP2174672A1 EP 2174672 A1 EP2174672 A1 EP 2174672A1 EP 09171576 A EP09171576 A EP 09171576A EP 09171576 A EP09171576 A EP 09171576A EP 2174672 A1 EP2174672 A1 EP 2174672A1
Authority
EP
European Patent Office
Prior art keywords
adhesive layer
cover
opening
temperature
closing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09171576A
Other languages
English (en)
French (fr)
Inventor
Evert Cornelis Antonie Versluis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecama Holding BV
Original Assignee
Ecama Holding BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ecama Holding BV filed Critical Ecama Holding BV
Publication of EP2174672A1 publication Critical patent/EP2174672A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L11/00—Methods specially adapted for refuse
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B50/36—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
    • A61L2/04—Heat
    • A61L2/06—Hot gas
    • A61L2/07—Steam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/26—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0066—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover with additional sealing means, e.g. O-ring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/18—Aseptic storing means
    • A61L2202/182—Rigid packaging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00425—Lids or covers welded or adhered to the container

Definitions

  • the invention relates to a container for collecting and transporting special materials, such as hospital waste and diagnostic samples, comprising a box with a bottom, upright walls and an opening at its upper side, said opening being surrounded by a closing edge, and a cover with a closing channel at its circumference, a hot melt adhesive layer being provided in the closing channel, wherein the cover is adapted to be placed with its closing channel fittingly on the closing edge in such a manner that the closing edge is pressed into the adhesive layer, and to a method for processing such materials.
  • special materials such as hospital waste and diagnostic samples
  • a container of this type is known for example from EP-A-1 693 019 .
  • this container meets the requirements according to Dutch law regarding road transport of hazardous substances, the so-called packaging instruction P621 and meets the corresponding UN test criteria, this container is not suitable for processing the container with contents by means of a sterilisation process using steam with an increased temperature.
  • the material within the container is well accessible for the steam during the sterilisation process.
  • several containers are known from the prior art, see for example EP-A-0 965 353 , EP-A-1 010 399 and DE-C-19 730 472 .
  • EP-A-0 965 353 In all known containers it is intended to establish an entrance opening automatically during the sterilisation process, by applying special means in the cover.
  • the known containers show the disadvantage that applying these special means results in high manufacturing costs for the containers.
  • the entrance opening obtained is small, so that the steam cannot penetrate well into the contents of the container. This is detrimental to the sterilisation process.
  • the invention aims to provide an improved container of this type, wherein the contents of the container can be made very well accessible during the application of the sterilisation process in a simple manner.
  • the container according to the invention is characterized in that after pressing the closing edge into the adhesive layer, the cover is attached on the opening by the adhesive strength of the adhesive layer only and in that the adhesive layer melts at a temperature of at least approximately 70°C, preferably at least 85°C, wherein the adhesive strength of the adhesive layer (8) is substantially completely lost at a temperature of at least 110°C, preferably at least 120°C.
  • the invention also provides a method for processing special materials, such as hospital waste and diagnostic samples, wherein the material is collected and transported in containers according to anyone of the preceding claims, wherein the containers in closed condition are placed in an autoclave apparatus and are subjected to a sterilisation process, wherein steam with a temperature of at least 121°C is supplied into the autoclave apparatus during such a period that the adhesive strength of the adhesive layer is substantially lost and subsequently an underpressure is generated in the autoclave apparatus such that the cover is released from the opening, where after steam with a temperature of at least 121°C is supplied again into the autoclave apparatus during a time period.
  • special materials such as hospital waste and diagnostic samples
  • Fig. 1 shows a perspective view of an embodiment of the container according to the invention, wherein the cover is shown separated from the box.
  • Fig. 2 shows a cross-section of a part of the container of Fig. 1 with the cover placed on the box.
  • Fig. 1 shows a perspective view of a container for collecting and transporting special materials or substances, such as hospital waste and diagnostic samples.
  • the container comprises a box or container 1 with a bottom 2 and upright sidewalls 3.
  • the upright sidewalls 3 have an upper edge or closing edge 4 surrounding an opening 5, through which opening the box 1 can be loaded.
  • a cover 6 is shown separated from the box 1, which cover 6 comprises at its circumference a closing channel 7.
  • This closing channel 7 is provided with an adhesive layer 8 as shown in the cross-section of Fig. 2 .
  • the box 1 is loaded or filled up with for example hospital waste, wherein the cover 6 is each time removed from the box and thereafter located with the closing channel 7 on the closing edge 4 in a loose manner.
  • the cover 6 When the box 1 has to be closed, the cover 6 is placed on the closing edge 4 and the closing edge 4 is pressed into the adhesive layer 8. In this manner the opening 5 is sealingly closed, wherein the cover 6 is fixed on the opening 5 by the adhesive strength of the adhesive layer 8 only.
  • This adhesive layer 8 is a so-called hot melt adhesive layer or melting adhesive layer, which comprises a thermoplastic material.
  • the adhesive layer has such a composition that it shows good adhesive properties in a temperature range of approximately -20°C up to at least approximately 70°C, preferably at least 85°C.
  • the containers described are very suitable for use in a method for processing special materials, such as hospital waste and diagnostic samples, wherein the closed containers are placed in an autoclave and are subjected to a sterilisation process. During the sterilisation process steam with a temperature of at least 121°C is supplied into the autoclave.
  • the adhesive layer melts already at a temperature of for example 85°C, the adhesive will drip out of the closing channel and after being exposed to the steam temperature during a time period, the adhesive strength will be substantially completely lost. Subsequently an underpressure or vacuum is generated within the autoclave, whereby the cover 6 will be removed automatically from the box 1 and the opening 5 is completely released.
  • the sterilisation process may comprise two, three or more cycles of supplying steam and generating an underpressure. One cycle may take for example 7-10 minutes.
  • the process may comprise a preheating phase of approximately 10 minutes in a usual manner, wherein the autoclave is raised in temperature by means of steam under pressure. Following the cycles of generating a vacuum and supplying steam, a period of for example 30 minutes follows, during which the autoclave is maintained at the temperature of at least 121°C.
  • the ratio adhesive/air of this foam adhesive layer is at least 1:3, more preferably at least 1:4.
  • a hot melt foam adhesive layer wherein a volume of foam adhesive of 5,5 cm 3 was formed out of 1 cm 3 adhesive, an excellent adhesive strength in the temperature range of -20°C up to 85°C was obtained on the one hand and on the other hand the adhesive strength was removed with certainty such that the cover was released from the box in the sterilisation process described without any problems.
  • the box 1 closed with the cover 6 did meet UN test criteria of the packaging instruction P621.
  • the adhesive layer can be provided in the closing channel by means of an adhesive nozzle with a very small exit opening, wherein a very high air pressure is used. To obtain an adhesive layer with sufficient width a nozzle with a dual exit opening can be used.
  • the box and cover can be made of any suitable material, for example a plastic material or waterproof cardboard.
  • a separate small opening with closing edge can be provided in the cover 6, which small opening can be closed by means of a second cover with closing channel.
  • this second cover can be fixed to the opening after final closing of the opening by the adhesive strength of the adhesive layer only.
  • the sterilisation process may take place at a central location, for example at a waste processing company or locally, for example at a hospital.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Refuse Receptacles (AREA)
EP09171576A 2008-10-06 2009-09-29 Behälter zum Sammeln und Transportieren von Spezialmaterialien und Verfahren zur Verarbeitung solcher Materialien Withdrawn EP2174672A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2002059A NL2002059C (nl) 2008-10-06 2008-10-06 Houder voor het verzamelen en transporteren van speciale materialen, alsmede werkwijze voor het verwerken van dergelijke materialen.

Publications (1)

Publication Number Publication Date
EP2174672A1 true EP2174672A1 (de) 2010-04-14

Family

ID=40673936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09171576A Withdrawn EP2174672A1 (de) 2008-10-06 2009-09-29 Behälter zum Sammeln und Transportieren von Spezialmaterialien und Verfahren zur Verarbeitung solcher Materialien

Country Status (2)

Country Link
EP (1) EP2174672A1 (de)
NL (1) NL2002059C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2007204C2 (en) * 2011-08-01 2013-02-04 Ecama Holding B V Container.
EP3417825A4 (de) * 2016-01-27 2019-11-20 Steriale Sociedad Anonima System zur aufnahme von sanitärabfall mit einem beutel und maschine zur herstellung des besagten beutels

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2061783A (en) * 1982-12-20 1984-06-28 W.R. Grace Australia Limited Resealable container lid
US4529740A (en) * 1984-02-06 1985-07-16 W. R. Grace & Co. Foamable hot melt polymer compositions
DE19730472C1 (de) 1997-07-16 1998-10-29 Heinz Rigling Kanülenbehälter
EP0965353A1 (de) 1998-06-17 1999-12-22 Van Egmond Technische Handelsonderneming B.V. Container zur Lagerung empfindlicher Abfälle
EP1010399A1 (de) 1997-07-31 2000-06-21 Heinz Rigling Sammelbehälter für sterilisierungsbedürftigen Abfall
EP1449897A1 (de) * 2003-02-22 2004-08-25 LENTJES, Carsten Gegenstand, der zur Verklebung vorgesehen ist
GB2421495A (en) * 2004-12-21 2006-06-28 Nicholas Berndt Wood Receptacle for biologically contaminated items
EP1693019A2 (de) 2005-02-21 2006-08-23 Ecama Holding B.V. Behälter zum Sammeln und Transportieren von Sondermüll
WO2007139377A1 (en) * 2006-05-29 2007-12-06 Mauser Benelux B.V. Container for waste to be thermally treated

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2061783A (en) * 1982-12-20 1984-06-28 W.R. Grace Australia Limited Resealable container lid
US4529740A (en) * 1984-02-06 1985-07-16 W. R. Grace & Co. Foamable hot melt polymer compositions
DE19730472C1 (de) 1997-07-16 1998-10-29 Heinz Rigling Kanülenbehälter
EP1010399A1 (de) 1997-07-31 2000-06-21 Heinz Rigling Sammelbehälter für sterilisierungsbedürftigen Abfall
EP0965353A1 (de) 1998-06-17 1999-12-22 Van Egmond Technische Handelsonderneming B.V. Container zur Lagerung empfindlicher Abfälle
EP1449897A1 (de) * 2003-02-22 2004-08-25 LENTJES, Carsten Gegenstand, der zur Verklebung vorgesehen ist
GB2421495A (en) * 2004-12-21 2006-06-28 Nicholas Berndt Wood Receptacle for biologically contaminated items
EP1693019A2 (de) 2005-02-21 2006-08-23 Ecama Holding B.V. Behälter zum Sammeln und Transportieren von Sondermüll
WO2007139377A1 (en) * 2006-05-29 2007-12-06 Mauser Benelux B.V. Container for waste to be thermally treated

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2007204C2 (en) * 2011-08-01 2013-02-04 Ecama Holding B V Container.
EP3417825A4 (de) * 2016-01-27 2019-11-20 Steriale Sociedad Anonima System zur aufnahme von sanitärabfall mit einem beutel und maschine zur herstellung des besagten beutels

Also Published As

Publication number Publication date
NL2002059C (nl) 2010-04-07

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